Journal
DEVELOPMENTAL MEDICINE AND CHILD NEUROLOGY
Volume 56, Issue 1, Pages 44-52Publisher
WILEY-BLACKWELL
DOI: 10.1111/dmcn.12243
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Funding
- NIH [1 RC1HD063838-01]
- National Center for Research Resources [1UL1RR033183-01]
- National Center for Advancing Translational Sciences of the National Institutes of Health (NIH) [8 UL1 TR000114-02]
- The University of Minnesota Center for Magnetic Resonance Research [P41 EB015894]
- Foundation for Physical Therapy Promotion of Doctoral Studies
- American Academy of Cerebral Palsy and Developmental Medicine Student Travel Award
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AimThe aim of this study was to determine the feasibility and efficacy of five treatments of 6Hz primed, low-frequency, repetitive transcranial magnetic stimulation (rTMS) combined with constraint-induced movement therapy (CIMT) to promote recovery of the paretic hand in children with congenital hemiparesis. MethodNineteen children with congenital hemiparesis aged between 8 and 17years (10 males, nine females; mean age 10years 10months, SD 2years 10months; Manual Ability Classification Scale levels I-III) underwent five sessions of either real rTMS (n=10) or sham rTMS (n=9) alternated daily with CIMT. CIMT consisted of 13days of continuous long-arm casting with five skin-check sessions. Each child received a total of 10hours of one-to-one therapy. The primary outcome measure was the Assisting Hand Assessment (AHA) and the secondary outcome variables were the Canadian Occupational Performance Measure (COPM) and stereognosis. A Wilcoxon signed-rank sum test was used to analyze differences between pre- and post-test scores within the groups. Analysis of covariance was used to compute mean differences between groups adjusting for baseline. Fisher's exact test was used to compare individual change in AHA raw scores with the smallest detectable difference (SDD) of 4 points. ResultsAll participants receiving treatment finished the study. Improvement in AHA differed significantly between groups (p=0.007). No significant differences in the secondary outcome measures were found. Eight out of 10 participants in the rTMS/CIMT group showed improvement greater than the SDD, but only two out of nine in the sham rTMS/CIMT group showed such improvement (p=0.023). No serious adverse events occurred. InterpretationPrimed, low-frequency rTMS combined with CIMT appears to be safe, feasible, and efficacious in pediatric hemiparesis. Larger clinical trials are now indicated. This article is commented on by Hoare on pages of this issue.
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